He who advises a sick man, whose manner of life is prejudicial to health, is clearly bound first of all to change his patient's manner of life.

Human behavior flows from three main sources: desire emotion and knowledge.

Science is nothing but perception.

Reality is created by the mind. We can change our reality by changing our mind.

If you do not take an interest in the affairs of your government, then you are doomed to live under the rule of fools.

A wise man speaks because he has something to say; a fool because he has to say something.

No one is more hated than he who speaks the truth.

Don't force your children into your ways, for they were created for a time different from your own.

Good people do not need laws to tell them to act responsibly, while bad people will find a way around the laws.

Reality is created by the mind, we can change our reality by changing our mind.

Enjoy life. There's plenty of time to be dead. Be kind, for everyone you meet is fighting a harder battle.

The problem with love is this: It dies. And when it does, you die with it.

The greatest country in the history of the world being attacked. So all of this doesn't mean very much today.

My challenge as university minister is about getting right balance of teaching and research.

...The greatest bulwark of capitalism is militarism.

But I’m living proof you don’t have to spend a lot in order to look great.

It's horrible when people are only interested in buying labels, because it doesn't bring them the happiness they think it will.

You know, I can get kind of spunky or I can get tough, you know, that kind of tough, sexy look. But sexy? No, I don't think so.

What kind of man gives cigarettes to trees?

Tweeting is really only good for one thing - it's just good for tweeting... It is rewarding, because it's just its own reward. It's sort of like heaven.

Why can't you write a great pop song when you are 85? Maybe you can.